r5f71374an80fpv Renesas Electronics Corporation., r5f71374an80fpv Datasheet - Page 743

• Manufacturer Part Number: r5f71374an80fpv
• Description: 32-bit Risc Microcomputer Superh?? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

18.2.3
CMCNT is a 16-bit register used as an up-counter. When the counter input clock is selected with
bits CKS1 and CKS0 in CMCSR and the STR bit in CMSTR is set to 1, CMCNT starts counting
using the selected clock.
When the value in CMCNT and the value in compare match constant register (CMCOR) match,
CMCNT is cleared to H'0000 and the CMF flag in CMCSR is set to 1.
The initial value of CMCNT is H'0000.
Initial value:
18.2.4
CMCOR is a 16-bit register that sets the interval up to a compare match with CMCNT.
The initial value of CMCOR is H'FFFF.
Initial value:
R/W:
R/W:
Bit:
Bit:
R/W
R/W
Compare Match Counter (CMCNT)
Compare Match Constant Register (CMCOR)
15
15
0
1
R/W
R/W
14
14
0
1
R/W
R/W
13
13
0
1
R/W
R/W
12
12
0
1
R/W
R/W
11
11
0
1
R/W
R/W
10
10
0
1
R/W
R/W
9
0
9
1
R/W
R/W
8
0
8
1
R/W
R/W
7
0
7
1
Rev. 1.00 Sep. 21, 2007 Page 717 of 1124
R/W
R/W
6
0
6
1
Section 18 Compare Match Timer (CMT)
R/W
R/W
5
0
5
1
R/W
R/W
4
0
4
1
R/W
R/W
3
0
3
1
REJ09B0402-0100
R/W
R/W
2
0
2
1
R/W
R/W
1
0
1
1
R/W
R/W
0
0
0
1